[russfink]

Homomorphic computing is not mentioned...?

[topspin]

It's a product announcement by a Google employee and they're not selling homomorphic computing. They're selling a different product.

[ackbar03]

Im not a cryptography expert but from what i've learnt about homomorphic encryption in my courses its nowhere close to being usable at reasonable speeds

[Joker_vD]

Yeah, turning 1 bit of plaintext into 20 MB of ciphertext kills any hope for "reasonable speed". I have a toy functional language implementation that has no built-in data structures whatsoever, and even it in the end represents a bit only as an 8-byte closure.

[ssmiler]

Maybe in batched HE schemes. In https://github.com/tfhe/tfhe the ratio is much smaller, 2.5kB per plaintext bit.

[anonymousDan]

This is actually practical for general workloads. Homomorphic encryption not so much (although there have been advances for machine learning inference recently)

[gumby]

Several orders of magnitude slower. Run in in a Secure Enclave (like SGX) you run at full speed.

[llarsson]

Better speed, yes, but also, SGX has been broken in different ways and just a few days ago, Apple's secure enclave for phones was broken, too.

These are extra obstacles along the way, but not insurmountable walls.